Question

Aldol dondensation proceeds by carbon-carbon bond formation between an enolate donor and a carbonyl acceptor. For each of the following aldol products (1 through 4) match the donor and acceptor compound.

• A. (A) $\to$ q; (B) $\to$ r; (C) $\to$ s; (D) $\to$ p.
• B. (A) $\to$ s; (B) $\to$ q; (C) $\to$ p; (D) $\to$ r.
• C. (A) $\to$ r; (B) $\to$ p; (C) $\to$ q; (D) $\to$ s.
• D. (A) $\to$ s; (B) $\to$ p; (C) $\to$ q; (D) $\to$ r.

Answer 1

The correct option is D (A) $\to$ s; (B) $\to$ p; (C) $\to$ q; (D) $\to$ r.

For each of the given aldol products (1 through 4), the donor and acceptor compounds are as shown. These examples represent cross aldol condensation products.